[计] global communication satellite system

quán qiú tōng xìn wèi xīng xì tǒng ㄑㄩㄢˊ ㄑㄧㄡˊ ㄊㄨㄥ ㄒㄧㄣˋ ㄨㄟˋ ㄒㄧㄥ ㄒㄧˋ ㄊㄨㄥˇ